Fog in Bratislava

daily fog outlook & 2016–2026 climatology
No fog forecast feed exists for this station. dense fog (visibility under a mile) is rare here in August (10-year average).

Measured at M. R. Štefánik Airport (LZIB). This station has climatology and live observations only.

Measuring station

stationairportfog hours/yrforecast
LZIBM. R. Štefánik Airport129 h/yrclimatology

Fog is measured where instruments live — airports. Hours/yr = time below CAT I approach minima (visibility under ~½ mile or ceiling under 200 ft), the aviation definition of seriously dense fog.

When Bratislava fogs in

Fog here concentrates in December and January — about 129 hours in a typical year at LZIB, usually lasting ~3 h once it forms. Hour-by-hour patterns, live conditions and the forecast strip live on the LZIB station page.

Fog season

January: ~34 hJanFebruary: ~14 hFebMarch: ~1 hMarApril: ~0 hAprMay: ~1 hMayJune: ~0 hJunJuly: ~0 hJulAugust: ~0 hAugSeptember: ~0 hSepOctober: ~14 hOctNovember: ~27 hNovDecember: ~40 hDec
Fog season runs October through February, peaking in December; fog is mostly a 10 PM–10 AM phenomenon; typically thinning out by 2 PM; a typical event lasts about 3 hours once it forms local time · 10-yr average

Machine access: data.json · llms.txt · forecast verification. Not for operational use.